EasyManua.ls Logo

Altec Lansing 9441A User Manual

Altec Lansing 9441A
20 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image

Other manuals for Altec Lansing 9441A

Question and Answer IconNeed help?

Do you have a question about the Altec Lansing 9441A and is the answer not in the manual?

Altec Lansing 9441A Specifications

General IconGeneral
Input Impedance10k ohms
Signal to Noise Ratio100 dB
Damping Factor200
Power Output400 watts RMS per channel into 4 ohms
Frequency Response20Hz - 20kHz
Total Harmonic Distortion0.1%
TypeStereo Power Amplifier

Summary

ELECTRICAL

120 V ac, 50/60 Hz Power Connections

Details on connecting the amplifier to 120V AC power.

220/240 V ac, 50/60 Hz Power Connections

Procedures for re-strapping the power transformer for 220/240V AC.

INSTALLATION

Rack Mounting

Information on installing the amplifier in a standard 19-inch equipment rack.

Ventilation

Guidelines for ensuring adequate ventilation to prevent overheating.

SIGNAL CONNECTIONS

Input Connections

Details on balanced and unbalanced input connection options.

Line Output Connections

Information on using parallel XLR and phone connectors for line output.

Output Connections

How to make output connections using the terminal barrier strip.

Output Cable Selection

Importance of speaker wire size for sound quality and power loss calculation.

Calculating Power Losses with 8 ohm Loads

Method to calculate power loss in speaker cables for 8-ohm loads.

Calculating Power Losses with 4 ohm Loads

How to calculate power loss for 4-ohm loads based on 8-ohm calculations.

Damping Factor

Explanation of damping factor and its role in controlling speaker cone movement.

Calculating the Maximum Length of Cable for a Specified Damping Factor

OCTAL ACCESSORY SOCKETS

PROTECTION SYSTEMS

Load Protection Circuitry

How each channel protects its load from transients, DC, and subsonic signals.

Amplifier Protection Circuitry

Explanation of the amplifier's current-limiting and protection features.

Protect Indicator

Meaning of the "PROTECT" LED and its indication of thermal protection or internal fault.

OPERATION

Dual Mode of Operation

How to operate the amplifier in dual mode with independent channels.

Bridge Mode of Operation

Steps for operating the amplifier in bridge mode for higher power output.

IN CASE OF PROBLEMS

SPECIFICATIONS

Voltage Gain

Amplifier's gain levels in dB for different modes and impedances.

Input Sensitivity for Rated Output Power

Input signal levels required to achieve rated output power.

Maximum Input Level

The highest input signal level the amplifier can handle.

Input Impedance

The impedance presented by the amplifier's inputs.

Polarity

How input polarity relates to output signal polarity.

Phase Response

The amplifier's phase shift characteristics at different frequencies.

THD

Total Harmonic Distortion levels under various conditions.

IMD (SMPTE 4:1)

Intermodulation Distortion levels using the SMPTE standard.

Slew Rate

The rate at which the output voltage can change.

Damping Factor

The amplifier's ability to control speaker movement.

Crosstalk

Signal leakage between channels.

Noise

The level of unwanted noise generated by the amplifier.

Amplifier Protection

Summary of amplifier protection features like shorted outputs and over-temperature.

Load Protection

Protection against startup/shutdown transients, DC faults, and subsonic signals.

Cooling

Describes the conventional heatsink cooling method.

Output Topology

Details the amplifier's output stage design (e.g., true complementary symmetry).

Output Devices

Information on the amplifier's output transistors and their ratings.

Controls and Switches

Lists the front and rear panel controls and switches.

Front Panel Indicators

Explains the function of front panel LEDs like Power, Clip, and Protect.

Connections

Details input and output connection types and power cord.

Fuse Type

Specifies the type of fuse used in the amplifier for 120V AC.

Power Requirements

Lists voltage, frequency, and power consumption ratings.

Dimensions

Physical dimensions of the amplifier for rack mounting.

Shipping Weight

The weight of the product for shipping purposes.

Net Weight

The actual weight of the amplifier.

Color

The color of the amplifier's chassis and front panel.

Enclosure

Details about the amplifier's chassis and front panel construction.

Standard Accessories

Lists items included with the amplifier, like jumpers and manuals.

SERVICE INFORMATION

Equipment Needed

List of tools and equipment required for servicing.

Adjusting VR02 and VR102, the BIAS Trimpot

Step-by-step guide for adjusting bias trimpots.

Ordering Replacement Parts

How to order replacement components for the amplifier.

Factory Service

Instructions for sending the unit for factory repair.

Technical Assistance

Contact information for technical support and application assistance.

Optional Accessories

SERVICE INSTRUCTIONS

SERVICE INFORMATION

Equipment Needed

List of tools and equipment required for servicing.

Adjusting VR02 and VR102, the BIAS Trimpot

Step-by-step guide for adjusting bias trimpots.

Ordering Replacement Parts

How to order replacement components for the amplifier.

Factory Service

Instructions for sending the unit for factory repair.

Technical Assistance

Contact information for technical support and application assistance.

Component Parts Listing

Component Parts Listing - Page 15

Continuation of the component parts list with more items.

Component Parts Listing - Page 16

Continuation of the component parts list with more items.

Component Parts Listing - Page 17

Continuation of the component parts list with more items.

Component Parts Listing - Page 18

Continuation of the component parts list with more items.

Related product manuals